In February 1943, following the Casablanca conference of January that same year, General Dwight D. Eisenhower became the supreme commander of all allied forces in North Africa campaign.
Alexander became Eisenhower's deputy and at the same time commander of the 18th Army Group, which controlled the First and Eighth armies and the separate U.S. II Corps.
Air chief marshal Sir Arthur Tedder assumed command of the allied forces, and admiral Cunningham retained command of the naval forces. It was under this revised command structure that the Allies decisively defeated Axis forces in the North Africa campaign.
<span>After the Battle of the Marne—during which Allied troops halted the steady German push through Belgium and France that had proceeded over the first month of World War I—a conflict both sides had expected to be short and decisive turns longer and bloodier, as Allied and German forces begin digging the first trenches on the Western Front on September 15, 1914.</span>
It's the bottom one, the establishment of the Supreme Court.
King George refused to approve laws that would establish judiciary powers which is the power of of a court to do what courts do (settle controversies, pronounce judgements etc) which in turn took away certain rights of the people so that is why the Supreme Court was established to give and assure people those denied rights.
Its because science came to be that it relied on big projects. I hope I could help! :D